EP3602947A4 - Regroupement de dm-rs et rapport de csi pour comp - Google Patents
Regroupement de dm-rs et rapport de csi pour comp Download PDFInfo
- Publication number
- EP3602947A4 EP3602947A4 EP18771967.9A EP18771967A EP3602947A4 EP 3602947 A4 EP3602947 A4 EP 3602947A4 EP 18771967 A EP18771967 A EP 18771967A EP 3602947 A4 EP3602947 A4 EP 3602947A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- comp
- grouping
- csi reporting
- csi
- reporting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0452—Multi-user MIMO systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
- H04L5/0035—Resource allocation in a cooperative multipoint environment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21181455.3A EP3905581A1 (fr) | 2017-03-24 | 2018-03-23 | Regroupement de dm-rs et rapport de csi pour comp |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762476592P | 2017-03-24 | 2017-03-24 | |
US201762547685P | 2017-08-18 | 2017-08-18 | |
PCT/US2018/024022 WO2018175884A2 (fr) | 2017-03-24 | 2018-03-23 | Regroupement de dm-rs et rapport de csi pour comp |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21181455.3A Division EP3905581A1 (fr) | 2017-03-24 | 2018-03-23 | Regroupement de dm-rs et rapport de csi pour comp |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3602947A2 EP3602947A2 (fr) | 2020-02-05 |
EP3602947A4 true EP3602947A4 (fr) | 2020-12-30 |
Family
ID=63585755
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21181455.3A Pending EP3905581A1 (fr) | 2017-03-24 | 2018-03-23 | Regroupement de dm-rs et rapport de csi pour comp |
EP18771967.9A Withdrawn EP3602947A4 (fr) | 2017-03-24 | 2018-03-23 | Regroupement de dm-rs et rapport de csi pour comp |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21181455.3A Pending EP3905581A1 (fr) | 2017-03-24 | 2018-03-23 | Regroupement de dm-rs et rapport de csi pour comp |
Country Status (4)
Country | Link |
---|---|
US (1) | US11115241B2 (fr) |
EP (2) | EP3905581A1 (fr) |
CN (2) | CN110463128B (fr) |
WO (1) | WO2018175884A2 (fr) |
Families Citing this family (19)
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---|---|---|---|---|
US11115241B2 (en) | 2017-03-24 | 2021-09-07 | Apple Inc. | DM-RS grouping and CSI reporting for CoMP |
CN108809386B (zh) * | 2017-05-05 | 2023-06-16 | 华为技术有限公司 | 传输预编码矩阵的指示方法和设备 |
CN112888077A (zh) * | 2017-05-05 | 2021-06-01 | 华为技术有限公司 | 用于数据传输的方法、终端和网络设备 |
US10469298B2 (en) * | 2017-05-12 | 2019-11-05 | Qualcomm Incorporated | Increasing reference signal density in wireless communications |
EP3641251A4 (fr) * | 2017-06-14 | 2021-03-10 | LG Electronics Inc. | Procédé de mappage entre mot de code et couche dans un système de communication de prochaine génération, et appareil associé |
BR112020015357A2 (pt) * | 2018-01-30 | 2020-12-08 | Huawei Technologies Co., Ltd. | Método de envio de sinal e dispositivo relacionado |
CN110365457B (zh) * | 2018-04-11 | 2021-01-15 | 成都华为技术有限公司 | 一种参考信号的传输方法及装置 |
EP3820055A4 (fr) * | 2018-07-04 | 2022-02-23 | NTT DoCoMo, Inc. | Terminal d'utilisateur |
JP6904938B2 (ja) * | 2018-10-31 | 2021-07-21 | シャープ株式会社 | 端末装置および通信方法 |
CN111147203B (zh) * | 2018-11-02 | 2021-08-27 | 上海朗帛通信技术有限公司 | 一种被用于无线通信的用户设备、基站中的方法和装置 |
US11057917B2 (en) * | 2018-11-12 | 2021-07-06 | Qualcomm Incorporated | Quasi co-location relation configuration for periodic channel state information reference signals |
KR20200066937A (ko) * | 2018-12-03 | 2020-06-11 | 삼성전자주식회사 | 네트워크 협력통신을 위한 채널상태정보 보고 방법 및 장치 |
US11937096B2 (en) * | 2019-02-08 | 2024-03-19 | Lg Electronics Inc. | Method and device for reporting channel state information in wireless communication system |
CN113133050B (zh) * | 2019-12-31 | 2023-02-17 | 大唐移动通信设备有限公司 | 一种cqi测量上报方法、装置、网络侧设备及终端 |
US11337095B2 (en) * | 2020-01-03 | 2022-05-17 | Qualcomm Incorporated | Forward-looking channel state information prediction and reporting |
WO2021159433A1 (fr) * | 2020-02-14 | 2021-08-19 | Qualcomm Incorporated | Communication multicouche |
WO2021237476A1 (fr) * | 2020-05-26 | 2021-12-02 | 深圳传音控股股份有限公司 | Procédé, dispositif et système de démodulation de signal et support de stockage |
CN115733527A (zh) * | 2021-08-25 | 2023-03-03 | 北京紫光展锐通信技术有限公司 | 一种通信方法、通信装置及电子设备 |
EP4338361A1 (fr) * | 2022-07-28 | 2024-03-20 | ZTE Corporation | Livre de codes d'informations d'état de canal (csi) pour transmission conjointe cohérente (cjt) |
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US9031008B2 (en) * | 2009-10-30 | 2015-05-12 | Samsung Electronics Co., Ltd. | Methods and apparatus for multi-user MIMO transmissions in wireless communication systems |
EP2437422A1 (fr) * | 2010-10-01 | 2012-04-04 | Panasonic Corporation | Espace de recherche pour liaison montante et descendante dans un système de communication mobile OFDM |
JP5906529B2 (ja) * | 2011-08-02 | 2016-04-20 | シャープ株式会社 | 基地局、端末、通信システムおよび通信方法 |
JP2013034111A (ja) * | 2011-08-02 | 2013-02-14 | Sharp Corp | 基地局、端末、通信システムおよび通信方法 |
RU2636101C2 (ru) * | 2012-03-19 | 2017-11-20 | Телефонактиеболагет Л М Эрикссон (Пабл) | Конфигурация гипотез согласованной многоточечной передачи для сообщения информации о состоянии канала |
US9537638B2 (en) * | 2012-05-11 | 2017-01-03 | Qualcomm Incorporated | Method and apparatus for performing coordinated multipoint feedback under multiple channel and interference assumptions |
CN103516464B (zh) * | 2012-06-20 | 2018-04-10 | 中兴通讯股份有限公司 | 信道状态信息报告的反馈方法及装置 |
US9106386B2 (en) * | 2012-08-03 | 2015-08-11 | Intel Corporation | Reference signal configuration for coordinated multipoint |
KR101645497B1 (ko) * | 2012-09-16 | 2016-08-05 | 엘지전자 주식회사 | 협력적 송신을 지원하는 무선 통신 시스템에서 데이터를 수신하는 방법 및 장치 |
US9060361B2 (en) * | 2012-09-27 | 2015-06-16 | Samsung Electronics Co., Ltd. | Method and apparatus for transmitting/receiving channel state information |
CN104604285B (zh) | 2012-10-23 | 2019-02-15 | Lg电子株式会社 | 在无线通信系统中反馈信道状态信息的方法及其设备 |
CN104982063B (zh) * | 2013-03-01 | 2018-10-12 | 英特尔Ip公司 | 用于网络辅助的干扰抑制的准同位和pdsch资源元素映射信令 |
US9755800B2 (en) * | 2013-03-19 | 2017-09-05 | Lg Electronics Inc. | Method and device for canceling interference and receiving data in wireless communication system |
KR101745402B1 (ko) | 2013-03-28 | 2017-06-12 | 엘지전자 주식회사 | 안테나 배열에서 채널 상태 정보 획득 방법 및 장치 |
US10263741B2 (en) * | 2013-05-10 | 2019-04-16 | Qualcomm Incorporated | Coordinated multipoint (CoMP) and network assisted interference suppression/cancellation |
EP3020224B1 (fr) * | 2013-07-09 | 2021-03-17 | LG Electronics Inc. | Procédé destiné au rapport d'état de canal dans un système de communication sans fil et appareil associé |
EP3050232B1 (fr) * | 2013-09-27 | 2020-04-01 | Samsung Electronics Co., Ltd. | Procédé et appareil de gestion de signaux de recherche dans un système lte avancé |
WO2016204549A1 (fr) * | 2015-06-19 | 2016-12-22 | 삼성전자 주식회사 | Procédé et appareil pour émettre un signal de référence dans un système de communication sans fil |
CN106452697B (zh) * | 2015-08-04 | 2019-08-16 | 电信科学技术研究院 | 一种上行数据的发送方法、接收方法及装置 |
WO2017078464A1 (fr) * | 2015-11-04 | 2017-05-11 | 엘지전자(주) | Procédé de transmission et de réception de données de liaison descendante dans un système de communication sans fil, et appareil associé |
US10880877B2 (en) * | 2016-02-02 | 2020-12-29 | Lg Electronics Inc. | Method for receiving data by terminal in wireless communication system |
US10448408B2 (en) * | 2016-08-04 | 2019-10-15 | Samsung Electronics Co., Ltd. | Method and apparatus for coordinating multi-point transmission in advanced wireless systems |
CN107888236B (zh) * | 2016-09-30 | 2021-06-29 | 华为技术有限公司 | 一种用于数据传输的方法和装置 |
US11115241B2 (en) * | 2017-03-24 | 2021-09-07 | Apple Inc. | DM-RS grouping and CSI reporting for CoMP |
EP3641251A4 (fr) * | 2017-06-14 | 2021-03-10 | LG Electronics Inc. | Procédé de mappage entre mot de code et couche dans un système de communication de prochaine génération, et appareil associé |
CN109842468B (zh) * | 2017-11-24 | 2020-09-01 | 电信科学技术研究院 | 数据传输方法及装置、计算机存储介质 |
WO2020027516A1 (fr) * | 2018-07-30 | 2020-02-06 | 엘지전자 주식회사 | Procédé d'émission et de réception de signal de liaison descendante entre un terminal et une station de base dans un système de communication sans fil, et dispositif prenant en charge ce procédé |
US20210007124A1 (en) * | 2019-07-06 | 2021-01-07 | Qualcomm Incorporated | Dci based xcarrier repetition & beam sweep |
-
2018
- 2018-03-23 US US16/496,753 patent/US11115241B2/en active Active
- 2018-03-23 EP EP21181455.3A patent/EP3905581A1/fr active Pending
- 2018-03-23 WO PCT/US2018/024022 patent/WO2018175884A2/fr active Application Filing
- 2018-03-23 CN CN201880020792.5A patent/CN110463128B/zh active Active
- 2018-03-23 CN CN202211144360.XA patent/CN115459818A/zh active Pending
- 2018-03-23 EP EP18771967.9A patent/EP3602947A4/fr not_active Withdrawn
Non-Patent Citations (7)
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CATT: "On interference measurement enhancement for multi-user MIMO operation", vol. RAN WG1, no. Nanjing, China; 20160523 - 20160527, 14 May 2016 (2016-05-14), XP051096527, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_85/Docs/> [retrieved on 20160514] * |
HUAWEI ET AL: "CSI enhancements for non-coherent JT", vol. RAN WG1, no. Reno, USA; 20161114 - 20161118, 5 November 2016 (2016-11-05), XP051189751, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_87/Docs/> [retrieved on 20161105] * |
HUAWEI ET AL: "Discussion on enhancements for non-coherent JT", vol. RAN WG1, no. Athens, Greece; 20170213 - 20170217, 12 February 2017 (2017-02-12), XP051210201, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/Meetings_3GPP_SYNC/RAN1/Docs/> [retrieved on 20170212] * |
HUAWEI ET AL: "Potential enhancements and specification impact analysis of non-coherent JT", vol. RAN WG1, no. Lisbon, Portugal; 20161010 - 20161014, 9 October 2016 (2016-10-09), XP051148669, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/Meetings_3GPP_SYNC/RAN1/Docs/> [retrieved on 20161009] * |
INTEL CORPORATION: "Discussion on the remaining details of CSI Feedback for eIMTA", vol. RAN WG1, no. Shenzhen, China; 20140331 - 20140404, 30 March 2014 (2014-03-30), XP050787219, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/Meetings_3GPP_SYNC/RAN1/Docs/> [retrieved on 20140330] * |
INTEL CORPORATION: "Enhancements and TP for CS/CB CoMP for FD-MIMO", vol. RAN WG1, no. Athens, Greece; 20170213 - 20170217, 12 February 2017 (2017-02-12), XP051209331, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/Meetings_3GPP_SYNC/RAN1/Docs/> [retrieved on 20170212] * |
INTEL CORPORATION: "Enhancements and TP for non-coherent JT", vol. RAN WG1, no. Athens, Greece; 20170213 - 20170217, 7 February 2017 (2017-02-07), XP051221080, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_88/Docs/> [retrieved on 20170207] * |
Also Published As
Publication number | Publication date |
---|---|
US20200036555A1 (en) | 2020-01-30 |
US11115241B2 (en) | 2021-09-07 |
CN110463128A (zh) | 2019-11-15 |
CN110463128B (zh) | 2022-10-18 |
WO2018175884A3 (fr) | 2018-11-01 |
WO2018175884A2 (fr) | 2018-09-27 |
EP3905581A1 (fr) | 2021-11-03 |
CN115459818A (zh) | 2022-12-09 |
EP3602947A2 (fr) | 2020-02-05 |
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